Seat Belt Language Reminder

Published:2011/7/10 22:46:00 Author:Felicity | Keyword: Seat Belt, Language Reminder | From:SeekIC

Work of the circuit The circuit consists of Power regulator / indicator circuit, control circuit, the language generator and audio amplifier output circuit. (It is showed in picture 7-114.) Power regulator / indicator circuit consists of current limiting resistors R2, R5, zener diode VS and LED HL. Control circuit consists of Ignition switch S1, turn-on switch S3 and turn-off switch S2. The language generator consists of language IC lCl, resistors Rl, R3 and capacitor Cl, C2. Audio amplifier output circuit consists of audio power amplifier IC lC2, resistor R4, capacitor C4, C5 and speaker BL.



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